Added more specific tests for LazyFile behavior
Added more specific tests for LazyFile behavior

ChuyuHsu/ScalaFunctional,EntilZha/ScalaFunctional,lucidfrontier45/ScalaFunctional,ChuyuHsu/ScalaFunctional,EntilZha/ScalaFunctional,lucidfrontier45/ScalaFunctional,EntilZha/PyFunctional,EntilZha/PyFunctional